Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Performance graph for a Bensport petrol pump, plotting delivery rate against pump RPM under various float chamber configurations.

Identifier  ExFiles\Box 27a\2\  Scan165
Date  6th May 1933
  
GRAPH III BENSport PETROL PUMP - LEC 3417
TAP, FILTER, TANK, & PUMP AT SAME RELATIVE HEIGHTS & CONNECTED BY SAME LENGTHS & DIA (1/4") PIPES AS ON CHASSIS
DELIVERY PIPE 5/16 DIA CONNECTED TO TWO S.U. FLOAT CHAMBERS AS ON ENGINE
CAM STROKE .203"
Y-Axis: DELIVERY PTS/HR
X-Axis: PUMP RPM
Legend:
WITHOUT FLOATS & NEEDLES
WITHOUT FLOATS
FLOAT CHAMBERS COMPLETE BUT FLOATS SUNK
FLOAT CHAMBERS COMPLETE
1/4 DIA DELIVERY PIPE, FLOATS SUNK
  
  


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